thanks for all the help, I went back to the old server's config, and, it worked as is, so that will do for now:
# fail2ban-client status dovecot-iredmail Status for the jail: dovecot-iredmail |- Filter | |- Currently failed: 0 | |- Total failed: 5 | `- File list: /var/log/dovecot.log `- Actions |- Currently banned: 1 |- Total banned: 1 `- Banned IP list: 1.144.106.60 # Chain f2b-dovecot (1 references) target prot opt source destination REJECT all -- 1.144.106.60 anywhere reject-with icmp-port-unreachable RETURN all -- anywhere anywhere
